About: http://webisa.webdatacommons.org/134337907

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Major sources of nutrients include agricultural activities, such as the pasturing and confined feeding of livestock, and the use of synthetic
http://www.w3.org/ns/prov#wasQuotedFrom	usgs.gov